What Changes During Aging

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DNA metilation

Autofagy

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Phosphatidylcholines are a class of phospholipids that incorporate choline as a headgroup. They are a major component of biological membranes. At birth and throughout infancy, phosphatidlycholine concentrations are high (as high as 90% of the cell membrane), but it is slowly depleted throughout the course of life, and may drop to as low as 10% of the cellular membrane in the elderly.

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